http://imdb.com/title/tt1748207/

Sound of My Voice (2011)
6.7/10 from 17711 users Updated : 2017-09-10
Drama , Mystery , Sci-Fi , Thriller
Christopher Denham , Nicole Vicius , Brit Marling , Davenia McFadden , Kandice Stroh , Richard Wharton , Christy Meyers , Alvin Lam , Constance Wu ,
Matthew Carey , Jacob Price , David Haley , James Urbaniak , Annie O'Donnell , Laura Leyva
Zal Batmanglij
2011
Two documentary filmmakers are determined to expose the truth about Maggie| the mysterious leader of a secretive cult who claims to belong to the year 2054. Although
they believe that everything is nothing more than a fraud| the filmmakers end up driven by her charisma.